McCORMICK'S SKUA GULL 



bright blue just above the tibio-metatarsal joint, in 

 young fledglings. Wholly black afterwards. (They 

 have a very fine spread of webb.) 



Claws, black. 



The feathers of the head, neck, and breast vary 

 from very light buff, or almost white, to rich dark 

 brown. 



SKUAS' TIME TABLE 



133 



